diff --git a/src/libambit/pmem20.c b/src/libambit/pmem20.c
index 5839c10..70749a3 100644
--- a/src/libambit/pmem20.c
+++ b/src/libambit/pmem20.c
@@ -28,6 +28,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <stdio.h>
+#include <sys/time.h>
 
 /*
  * Local definitions